CN218895858U - Contact temperature measurement protection mechanism for electrical equipment installation - Google Patents

Contact temperature measurement protection mechanism for electrical equipment installation Download PDF

Info

Publication number
CN218895858U
CN218895858U CN202221834550.XU CN202221834550U CN218895858U CN 218895858 U CN218895858 U CN 218895858U CN 202221834550 U CN202221834550 U CN 202221834550U CN 218895858 U CN218895858 U CN 218895858U
Authority
CN
China
Prior art keywords
heat conduction
contact
temperature measurement
protection mechanism
notch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202221834550.XU
Other languages
Chinese (zh)
Inventor
公伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaneng Linyi Power Generation Co Ltd
Original Assignee
Huaneng Linyi Power Generation Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huaneng Linyi Power Generation Co Ltd filed Critical Huaneng Linyi Power Generation Co Ltd
Priority to CN202221834550.XU priority Critical patent/CN218895858U/en
Priority to DE202022104480.5U priority patent/DE202022104480U1/en
Application granted granted Critical
Publication of CN218895858U publication Critical patent/CN218895858U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • H01R13/111Resilient sockets co-operating with pins having a circular transverse section
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/14Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/0015Means for testing or for inspecting contacts, e.g. wear indicator
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/12Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/38Plug-and-socket contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/665Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6683Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0062Testing or measuring non-electrical properties of switches, e.g. contact velocity
    • H01H2011/0068Testing or measuring non-electrical properties of switches, e.g. contact velocity measuring the temperature of the switch or parts thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/15Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/18Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

The utility model belongs to the technical field of contact temperature measurement protection, and discloses a contact temperature measurement protection mechanism for electric equipment installation, which comprises a plum blossom contact and a wireless temperature sensor. The setting through temperature measurement protection mechanism can be convenient for the staff install, can prevent simultaneously that temperature measurement protection mechanism is not hard up.

Description

Contact temperature measurement protection mechanism for electrical equipment installation
Technical Field
The utility model belongs to the technical field of contact temperature measurement protection, and particularly relates to a contact temperature measurement protection mechanism for electrical equipment installation.
Background
The electric contact is a main circuit conductive contact material widely applied to relays, contactors, load switches, medium-low voltage circuit breakers, household appliances, automobile appliances and other switching appliances.
At present, the power equipment can produce the high temperature at the in-process of operation, cause the potential safety hazard easily when the temperature reaches certain degree, just need install temperature measurement protection mechanism to the contact this moment, come the temperature of real-time inspection contact, and the temperature measurement protection mechanism among the prior art is at the in-process of in-service use, though can realize basic purpose to the contact temperature, but generally adopt staple bolt cooperation bolt to press from both sides tightly the mode to the contact when installing it, thereby need the staff to carry the instrument and just can install it, and then brought inconvenience for the staff, consequently need improve it.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the contact temperature measurement protection mechanism for mounting the electrical equipment, a worker can mount the contact temperature measurement protection mechanism without carrying tools, and meanwhile, the looseness of the contact temperature measurement protection mechanism can be prevented.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a contact temperature measurement protection machanism that electrical equipment installation was used, includes plum blossom contact and wireless temperature sensor, the notch has all been seted up to wireless temperature sensor's both sides, is first notch and second notch respectively, movable mounting has first staple bolt in the first notch, rotationally install the second staple bolt in the second notch, the cover is established at the surface of contact behind first staple bolt and the second staple bolt joint, wireless temperature sensor is close to the one side of contact and is provided with heat conduction component.
In some embodiments of the present application, a round rod is fixedly installed in the first notch, a first spring and a movable frame are sleeved on the round rod, a rotating block is hinged to the movable frame, and the rotating block is fixedly connected with the first hoop.
In some embodiments of the present application, the first anchor ear is kept away from the one end of notch is set up to the latch form, the second anchor ear is kept away from the one end of notch seted up with the draw-in groove of latch joint.
In some embodiments of the present application, the heat conducting component includes a first heat conducting block and a second heat conducting block, the first heat conducting block is connected with the second heat conducting block through a connecting piece in an elastic manner, and a plurality of heat conducting wires are connected between the first heat conducting block and the second heat conducting block, the first heat conducting block is connected with the wireless temperature sensor, and the second heat conducting block is attached to the surface of the contact.
In some embodiments of the present application, the connecting piece includes the dead lever of fixing on the first heat conduction piece, the dead lever is equipped with second spring and perpendicular frame from top to bottom in proper order, the other end of perpendicular frame with second heat conduction piece fixed connection.
In some embodiments of the present application, the fixing rod is sleeved with two second springs.
In some embodiments of the present application, the material of the heat conducting wire is copper, and the shape of the heat conducting wire is spiral.
The beneficial effects of the utility model are as follows:
1. according to the wireless temperature sensor, the notches are formed in two sides of the wireless temperature sensor, the first hoop and the second hoop are respectively connected in the two notches, the round rod is arranged in one notch, the first spring and the movable frame are sleeved on the round rod, the second hoop is connected with the movable frame through the rotary block, the rotary block can rotate along the inner side of the movable frame, the movable frame moves along the outer surface of the round rod, the first spring is in a compressed state and can apply an elastic force to the movable frame, the second hoop can be driven by the rotary block to move, the end part of the first hoop is in a clamping tooth shape, the end part of the second hoop is provided with the clamping groove, and the first hoop and the second hoop are clamped through the cooperation of the clamping tooth and the clamping groove, so that the wireless temperature sensor can be conveniently installed and fixed.
2. According to the utility model, the heat conduction component is arranged on the wireless temperature sensor, so that looseness between the anchor ear and the contact can be prevented, the first heat conduction block and the second heat conduction block are connected through the heat conduction wire, the accuracy of the measured contact temperature can be ensured, the two ends of the first heat conduction block are both connected with the fixed rod, the second spring and the vertical frame are sleeved on the fixed rod, the vertical frame can move up and down along the outer surface of the fixed rod, the second spring is in a compressed state, and an elastic force can be applied to the vertical frame, so that the second heat conduction block can be driven by the vertical frame to extrude the surface of the plum blossom contact, and meanwhile, the top end of the second spring supports the wireless temperature sensor through the first heat conduction block, so that the wireless temperature sensor can pull the second anchor ear and the first anchor ear upwards, and further the temperature measurement protection mechanism and the contact are not easy to loosen.
Drawings
FIG. 1 is a schematic view of a contact temperature measurement protection mechanism for electrical equipment installation according to the present utility model;
FIG. 2 is a schematic view of the structure of the back surface of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is a schematic view of a detachable structure of the wireless temperature sensor of the present utility model;
fig. 5 is a schematic cross-sectional structure of the wireless temperature sensor of the present utility model.
In the figure, 1, a plum blossom contact; 2. a wireless temperature sensor; 3. a notch; 4. a round bar; 5. the first hoop; 6. a movable frame; 7. a first spring; 8. rotating the block; 9. the second hoop; 10. a clamping groove; 11. a first heat conduction block; 12. a fixed rod; 13. a second spring; 14. a vertical frame; 15. A second heat conduction block; 16. a heat conducting wire.
Detailed Description
The following describes in further detail the specific embodiments of the utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
As shown in fig. 1 to 4, the utility model provides a contact temperature measurement protection mechanism for electric equipment installation, which comprises a wireless temperature sensor 2, wherein two sides of the wireless temperature sensor 2 are respectively connected with a first anchor ear 5 and a second anchor ear 9, the end part of the first anchor ear 5 is in a latch shape, the end part of the second anchor ear 9 is provided with a clamping groove 10, and the second anchor ear 9 and the first anchor ear 5 form a circular ring to be sleeved on a plum blossom contact 1 through the clamping teeth and the clamping groove 10 arranged on the anchor ear, so that the wireless temperature sensor 2 can be fixed on the outer surface of the plum blossom contact 1 without carrying tools.
Specifically, as shown in fig. 2 and 3, two sides of the wireless temperature sensor 2 are provided with notches 3, a round rod 4 is fixedly arranged in one notch 3, a first spring 7 and a movable frame 6 are movably sleeved on the round rod 4, the first spring 7 is in a compressed state and can generate a movable extrusion force on the movable frame 6, a rotary block 8 is hinged on the first movable frame 6, and the rotary block 8 is fixedly connected with the first hoop 5; the second anchor ear 9 is rotatably mounted in the other slot 3. Through the cooperation between the rotatory piece 8 and the movable frame 6 for the rotatory piece 8 can rotate along the movable frame 6, thereby can cup joint first staple bolt 5 at the surface of plum blossom contact 1, simultaneously because the cooperation between movable frame 6 and the first spring 7, make movable frame 6 can follow the surface of round bar 4 and control the removal, and then can drive first staple bolt 5 and control the removal, the clamping groove 10 joint of the latch on the first staple bolt 5 of being convenient for and second staple bolt 9 is convenient for install wireless temperature sensor 2.
Example 2
As shown in fig. 4 and 5, the difference between this embodiment and embodiment 1 is that a heat conducting component is installed on the side of the wireless temperature sensor 2 close to the tulip contact 1, so that the wireless temperature sensor 2 can be further prevented from being separated from the surface of the tulip contact 1 due to loosening between the first anchor ear 5 and the second anchor ear 9 and the tulip contact 1.
Specifically, the heat conduction component comprises a first heat conduction block 11 and a second heat conduction block 15, the first heat conduction block 11 is installed on the wireless temperature sensor 2, two ends of the first heat conduction block 11 are connected with connecting pieces, the other ends of the connecting pieces are connected with the second heat conduction block 15, the first heat conduction block 11 and the second heat conduction block 15 are elastically connected through the connecting pieces, and the second connecting blocks are attached to the surfaces of the plum blossom contacts 1; a plurality of heat conducting wires 16 made of copper are connected between the first heat conducting block 11 and the second heat conducting block 15, and the heat conducting wires 16 are spiral. The second heat conduction block 15 is used for absorbing heat on the surface of the plum blossom contact 1, and the heat is transmitted to the first heat conduction block 11 and the wireless temperature sensor 2 through the heat conduction wire 16, so that the accuracy of the contact temperature measured by the wireless temperature sensor 2 can be ensured; the heat conducting wire 16 is in a spiral design, so that the heat conducting wire has certain extensibility or contractibility, and the second heat conducting block 15 can move conveniently; the first heat conduction block 11 and the second heat conduction block 15 are extruded through the connecting piece, so that the first anchor ear 5, the second anchor ear 9 and the tulip contact 1 can be further prevented from loosening.
Specifically, the connecting piece includes dead lever 12, the dead lever 12 is connected on first heat conduction piece 11, from last to lower movable sleeve in proper order on the dead lever 12 is equipped with second spring 13 and vertical frame 14, the other end and the second heat conduction piece 15 fixed connection of vertical frame 14, through the cooperation of dead lever 12 and second spring 13, vertical frame 14, make vertical frame 14 can drive second heat conduction piece 15 along the surface of dead lever 12 reciprocates, second spring 13 is in compressed state, thereby make the one end of second spring 13 apply an elasticity to vertical frame 14, thereby can make second heat conduction piece 15 can laminate with plum blossom contact 1 all the time, the other end of second spring 13 plays an outside supporting power to wireless temperature sensor 2 through first heat conduction piece 11, wireless temperature sensor 2 will upwards stimulate second staple bolt 9 and first staple bolt 5, and then can make it difficult not hard up with plum blossom contact 1 between.
In summary, the utility model provides a contact temperature measurement protection mechanism for mounting electrical equipment, which is characterized in that a first anchor ear 5 and a second anchor ear 9 which are connected with a wireless temperature sensor are sleeved on a plum blossom contact 1, the position of a movable frame 6 can be adjusted under the action of a first spring 7 so as to adjust the position of the second anchor ear 9, and the clamping teeth of the first anchor ear 5 are clamped in a clamping groove 10 of the second anchor ear 9, so that the first anchor ear 5 and the second anchor ear 9 are attached and sleeved on the surface of the plum blossom contact 1; under the effect of first staple bolt 5 and second staple bolt 9 joint, wireless temperature sensor 2 presses first heat conduction piece 11 and second heat conduction piece 15 towards plum blossom contact 1 surface, second heat conduction piece 15 is laminated with plum blossom contact 1, transfer the temperature of plum blossom contact 1 to first heat conduction piece 11 through heat-conducting wire 16, make wireless temperature sensor 2 survey the temperature of plum blossom contact 1, second spring 13 between first heat conduction piece 11 and the second heat conduction piece 15 is in compression state this moment, the one end of second spring 13 is through perpendicular frame 14 to second heat conduction piece 15, make second heat conduction piece 15 and plum blossom contact 1 surface closely laminate, the other end of second spring 13 is through first heat conduction piece 11 to wireless temperature sensor 2 application force, make wireless temperature sensor 2 outwards draw first staple bolt 5 and second staple bolt 9, so that first staple bolt 5 and second staple bolt 9 are closely laminated with plum blossom contact 1 surface, prevent to take place not hard up influence temperature measurement effect.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims (7)

1. The utility model provides a contact temperature measurement protection mechanism that electrical equipment installation was used, includes wireless temperature sensor (2), its characterized in that, notch (3) have all been seted up to the both sides of wireless temperature sensor (2), are first notch (3) and second notch (3) respectively, movable mounting has first staple bolt (5) in first notch (3), rotationally install second staple bolt (9) in second notch (3), the surface at the contact is established to cover behind first staple bolt (5) and second staple bolt (9) joint, heat-conducting element is installed to the one side that wireless temperature sensor (2) is close to the contact.
2. The contact temperature measurement protection mechanism for electrical equipment installation according to claim 1, wherein a round rod (4) is fixedly installed in the first notch (3), a first spring (7) and a movable frame (6) are sleeved on the round rod (4), a rotating block (8) is hinged on the movable frame (6), and the rotating block (8) is fixedly connected with the first hoop (5).
3. The contact temperature measurement protection mechanism for electrical equipment installation according to claim 1, wherein one end of the first anchor ear (5) far away from the notch (3) is provided with a latch shape, and one end of the second anchor ear (9) far away from the notch (3) is provided with a clamping groove (10) which is clamped with the latch.
4. The contact temperature measurement protection mechanism for electrical equipment installation according to claim 1, wherein the heat conduction component comprises a first heat conduction block (11) and a second heat conduction block (15), the first heat conduction block (11) is elastically connected with the second heat conduction block (15) through a connecting piece, a plurality of heat conduction wires (16) are connected between the first heat conduction block (11) and the second heat conduction block (15), the first heat conduction block (11) is connected with the wireless temperature sensor (2), and the second heat conduction block (15) is attached to the surface of a contact.
5. The contact temperature measurement protection mechanism for electrical equipment installation according to claim 4, wherein the connecting piece comprises a fixed rod (12) fixed on the first heat conduction block (11), the fixed rod (12) is sequentially sleeved with a second spring (13) and a vertical frame (14) from top to bottom, and the other end of the vertical frame (14) is fixedly connected with the second heat conduction block (15).
6. The contact temperature measurement protection mechanism for electrical equipment installation according to claim 5, wherein the fixing rod (12) is sleeved with two second springs (13).
7. The contact temperature measurement protection mechanism for electrical equipment installation according to claim 4, wherein the material of the heat conducting wire (16) is copper, and the shape of the heat conducting wire (16) is spiral.
CN202221834550.XU 2022-07-14 2022-07-14 Contact temperature measurement protection mechanism for electrical equipment installation Active CN218895858U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202221834550.XU CN218895858U (en) 2022-07-14 2022-07-14 Contact temperature measurement protection mechanism for electrical equipment installation
DE202022104480.5U DE202022104480U1 (en) 2022-07-14 2022-08-05 A contact temperature sensing and protection mechanism for installing electrical equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221834550.XU CN218895858U (en) 2022-07-14 2022-07-14 Contact temperature measurement protection mechanism for electrical equipment installation

Publications (1)

Publication Number Publication Date
CN218895858U true CN218895858U (en) 2023-04-21

Family

ID=83282920

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221834550.XU Active CN218895858U (en) 2022-07-14 2022-07-14 Contact temperature measurement protection mechanism for electrical equipment installation

Country Status (2)

Country Link
CN (1) CN218895858U (en)
DE (1) DE202022104480U1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116086649A (en) * 2022-12-31 2023-05-09 珠海一多监测科技有限公司 Plum blossom contact temperature sensor and plum blossom contact
CN116593019B (en) * 2023-07-18 2023-09-12 国网吉林省电力有限公司经济技术研究院 Automatic detection device for power grid operation

Also Published As

Publication number Publication date
DE202022104480U1 (en) 2022-08-29

Similar Documents

Publication Publication Date Title
CN218895858U (en) Contact temperature measurement protection mechanism for electrical equipment installation
CN103683093A (en) Overhead power guide line insulation operating rod
CN210182783U (en) Bus device
CN209516402U (en) A kind of outdoor comprehensive distribution box
CN203574294U (en) Overhead power wire insulation operating rod
CN211266652U (en) Long-life motor
CN210272969U (en) Rotary conducting ring
CN210201262U (en) Distribution box bus fixing device
CN219455321U (en) Wireless temperature measuring device for high-voltage switch cabinet
CN210416299U (en) Insulator mounting structure for railway electric power
CN210628728U (en) Arc extinguishing structure of high-voltage power distribution cabinet
CN216353822U (en) Circuit switch contact
CN215451253U (en) Outdoor circuit breaker
CN211453733U (en) Novel combined embedded high-voltage electric power metering device
CN216871856U (en) Novel mechanical relay module
CN116504451B (en) Wire harness for energy storage equipment and crimping machine for production of wire harness
CN209642313U (en) A kind of modular Surge Protector easily assembled
CN215377244U (en) High-strength plate type high-voltage insulating pull rod
CN212033600U (en) Auxiliary support for overhauling distribution box
CN215071019U (en) Protection device for integrated control cabinet
CN217955731U (en) Intelligent control device for outdoor isolating switch
CN220138192U (en) Double-break isolating switch
CN211088759U (en) Novel solid insulation high-voltage switch equipment
CN216648153U (en) In-line fuse strip isolating switch
CN212903861U (en) Testing arrangement of railway signal relay mechanical characteristic

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant